Examine source code of Raycast Tab Manager

{
  "manifest_version": 2,
  "name": "Raycast Tab Manager for Firefox",
  "version": "1.0.2",
  "description": "Companion extension for Raycast Firefox tab management",
  "browser_specific_settings": {
    "gecko": {
      "id": "raycast-firefox@lau.engineering",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabs",
    "nativeMessaging",
    "contextualIdentities",
    "cookies"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  }
}